ipq806x: add v4.9 support

Signed-off-by: John Crispin <john@phrozen.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/target/linux/ipq806x/patches-4.9/0011-spi-qup-don-t-re-read-opflags-to-see-if-transaction-.patch b/target/linux/ipq806x/patches-4.9/0011-spi-qup-don-t-re-read-opflags-to-see-if-transaction-.patch
new file mode 100644
index 0000000000..da1569fd12
--- /dev/null
+++ b/target/linux/ipq806x/patches-4.9/0011-spi-qup-don-t-re-read-opflags-to-see-if-transaction-.patch
@@ -0,0 +1,26 @@
+From ba96e9449a63acd658d8ad0a5b3755b559410999 Mon Sep 17 00:00:00 2001
+From: Matthew McClintock <mmcclint@codeaurora.org>
+Date: Thu, 10 Mar 2016 16:48:27 -0600
+Subject: [PATCH 11/37] spi: qup: don't re-read opflags to see if transaction
+ is done for reads
+
+For reads, we will get another interrupt so we need to handle things
+then. For writes, we can finish up now.
+
+Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org>
+---
+ drivers/spi/spi-qup.c |    3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/drivers/spi/spi-qup.c
++++ b/drivers/spi/spi-qup.c
+@@ -567,7 +567,8 @@ static irqreturn_t spi_qup_qup_irq(int i
+ 	}
+ 
+ 	/* re-read opflags as flags may have changed due to actions above */
+-	opflags = readl_relaxed(controller->base + QUP_OPERATIONAL);
++	if (opflags & QUP_OP_OUT_SERVICE_FLAG)
++		opflags = readl_relaxed(controller->base + QUP_OPERATIONAL);
+ 
+ 	if ((controller->rx_bytes == xfer->len &&
+ 		(opflags & QUP_OP_MAX_INPUT_DONE_FLAG)) ||  error)